Income Taxes (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2015 Subsidiary	Mar. 31, 2014	Mar. 31, 2015 Subsidiary	Mar. 31, 2014
Income Tax Disclosure [Abstract]
Effective tax rate	2.20%	(5.50%)	1.80%	2.80%
Number of subsidiaries filing income tax returns in the U.S. federal jurisdiction, and various state jurisdictions	1		1